CN203318472U - Stroller - Google Patents
Stroller Download PDFInfo
- Publication number
- CN203318472U CN203318472U CN2013203567768U CN201320356776U CN203318472U CN 203318472 U CN203318472 U CN 203318472U CN 2013203567768 U CN2013203567768 U CN 2013203567768U CN 201320356776 U CN201320356776 U CN 201320356776U CN 203318472 U CN203318472 U CN 203318472U
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- joint
- lock pin
- bayonet socket
- pipe
- pivot
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Abstract
The utility model discloses a stroller. According to the stroller, a joint component (6) comprises an upper joint (61), a back joint (62), a lower joint (63), and a joint connecting rod (64); the lower joint (63) is pivotally connected with the upper joint (61); the lower joint (63) is pivotally connected with the back joint (62); two ends of the joint connecting rod (64) are pivotally connected onto a second pivotal connection point (B) and a third pivotal connection point (C) respectively; during the process of folding and unfolding of a car frame, a handle pipe (1) drives the upper joint (61) to rotate around a first pivot, and the joint connecting rod (64) drives the back joint (62) and a heel pipe (3) to rotate around a second pivot, so that the heel pipe (3) is allowed to be close to or far from a forefoot pipe (2). Through a folding mechanism with components which are mutually and pivotally connected, the stroller overcomes the defect of hand clipping existed in a situation when a conventional handle pipe is turned over forwards to fold the car frame, and protects a consumer from injures of hand clipping and hand cutting during the folding and unfolding of the car frame.
Description
Technical field
The utility model relates to the children trolley technical field, relates in particular to a kind of children trolley.
Background technology
At present world market is more and more higher to the safety requirements of children trolley, from only require in the past static state not tong, do not cut hand, rise to and need vehicle frame all to need to prevent the vehicle frame tong, cut hand actuating dynamic process.The children trolley folded with the connecting rod connecting vehicle frame of selling in the market all has probability process vehicle frame tong to occur actuating, cut hand.
The children trolley that a handle pipe that Fig. 1 is the existing market sale folds to the front foot pipe upset.The children trolley that this handle pipe folds to the front foot pipe upset, folding/unfolding joint 105 with a strip shape, there is pivoting point 101 the folding/unfolding joint upper end, there is pivoting point 106 folding/unfolding joint 105 lower ends, a pivoting point is arranged on rear foot tube 107, a pivoting point is arranged on front foot pipe 103, there is no pivoting point on handle pipe 104, lower end is fixedly connected with folding/unfolding joint 105, wherein the pivoting point 101 of folding/unfolding joint 105 upper ends passes through pivot activity pivot joint with the pivoting point on front foot pipe 103, the pivoting point 106 of folding/unfolding joint 105 lower ends passes through pivot activity pivot joint with the pivoting point on rear foot tube 107, article one, the two ends of connecting rod 108 are articulated front foot pipe and rear foot tube respectively.When handle pipe 104 folds vehicle frame to front foot pipe 103 direction upset rotations, the folding/unfolding joint 105 be fixedly connected with handle pipe 104 is rotated around the pivoting point 101 with front foot pipe 103, the pivoting point 106 that simultaneously drives folding/unfolding joint 105 lower ends rotates around the pivoting point with rear foot tube 107, and rear foot tube 107 perks, connecting rod 108 pulls rear foot tube 107 to rotate around the pivoting point 106 of folding/unfolding joint 105 lower ends, make rear foot tube 107 near front foot pipe 103, synchronously realize that handle pipe 104 is near front foot pipe, rear foot tube 107 folds the function of vehicle frame near front foot pipe 103.
This children trolley folds body frame structure for automotive and has obvious tong in actuating the vehicle frame process, cut the hand gap, can cause security risk to children and user, show: the folding/unfolding joint lower end is when launching vehicle frame and the clipper mouth between front foot pipe, near in front foot pipe and rear foot tube process, all there is obvious scissors mouth in connecting rod when folding vehicle frame between connecting rod and front/back foot tube.Therefore, need a kind of novel children trolley.
Summary of the invention
In view of this, a technical matters to be solved in the utility model is to provide a kind of children trolley, and folding/unfolding joint adopts upper joint, posterior joint, hypozygal and joint link lever pivot joint to form.
A kind of children trolley comprises: have launch and the vehicle frame of folding two states, be arranged at the front bottom of described vehicle frame front wheels 4, be arranged at the rear wheels 5 of described vehicle frame rear lower and the frame locking mechanism under expanded position by described bicycle frame lock; Described vehicle frame comprises: handle pipe 1, front foot pipe 2, rear foot tube 3 and joint assembly 6; Described joint assembly 6 comprises: upper joint 61, posterior joint 62, hypozygal 63 and joint link lever 64; Described upper joint 61 is fixedly connected with described handle pipe 1, and the first pivoting point A and the second pivoting point B are set on described upper joint 61; Described posterior joint 62 is fixedly connected with described rear foot tube 3, and the 3rd pivoting point C and the 4th pivoting point D are set on described posterior joint 62; Described hypozygal 63 is fixedly connected with described front foot pipe 2, and on described hypozygal 63, Wushu contact E and the 6th pivoting point F is set; The first pivot is through described Wushu contact E and described the first pivoting point A, by described hypozygal 63 and described upper joint 61 pivot joints; The second pivot is through described the 6th pivoting point F and described the 4th pivoting point D, by described hypozygal 63 and described posterior joint 62 pivot joints; The two ends of described joint link lever 64 are articulated in respectively described the second pivoting point B and pivot joint the 3rd pivoting point C; Wherein, in the process that folds, opens described vehicle frame, described handle pipe 1 drives described upper joint 61 and rotates around described the first pivot, described joint link lever 64 drives described posterior joints 62 and described rear foot tube 3 rotates around described the second pivot, make described rear foot tube 3 near or away from described front foot pipe 2.
According to an embodiment of the present utility model, further, at the first pivot, through the two ends of described Wushu contact E and described the first pivoting point A, described joint link lever 64, be articulated in respectively under described the second pivoting point B and pivot joint the 3rd pivoting point C, the state of the second pivot through described the 6th pivoting point F and described the 4th pivoting point D, the spacing between described upper joint 61 and described posterior joint 62 is greater than the safety gap threshold value that the children trolley safety rate is stipulated.
According to an embodiment of the present utility model, further, described joint link lever 64 is arranged between described hypozygal 63 and described upper joint 61, and respectively with the contacts side surfaces of described hypozygal 63 and described upper joint 61; And, the edge that described hypozygal 63, described upper joint 61 and described posterior joint 62 all have circular arc.
According to an embodiment of the present utility model, further, the bottom of described upper joint 61 is circular arc, and, in the bottom of described upper joint 61, the arc stop member is set, the width of described arc stop member is greater than the width of described hypozygal 63 radiused edges; Wherein, in the process of rotating towards described rear foot tube 3 around described the first pivot at described upper joint 61, radiused edges surface and the described arc stop member Surface Contact of described hypozygal 63, make described handle pipe 1 be limited in the position of setting.
According to an embodiment of the present utility model, further, described frame locking mechanism comprises: lock pin 65, the first elastic element 66, the second elastic element 67, forward foot in a step pipe close 68, traction piece 69, release pedal 70 and lock pin block piece 60; Described forward foot in a step pipe close 68 is arranged in described front foot pipe 2, and is oppositely arranged with the lower end of described upper joint 61; The top of described forward foot in a step pipe close 68 arranges guide groove, and described lock pin 65 is arranged in described guide groove, between described guide groove bottom and described lock pin 65, described the first elastic element 66 is set; The lower end of described lock pin 65 is fixedly connected with an end of described traction piece 69, the other end of described traction piece 69 is through the through hole and the described rear foot tube 3 that are arranged on described guide groove bottom, and be fixedly connected with described release pedal 70, described release pedal 70 is articulated on described rear foot tube 3; Upper end at described forward foot in a step pipe close 68 arranges notch, the described lock pin block piece 60 of installing in described notch; The lower end of the upper end of described lock pin block piece 60 and described upper joint 61 is oppositely arranged, and arranges outstanding first in the lower end of described upper joint 61 and stops position; The stage casing of described lock pin block piece 60 and described the second elastic element 67 are by the 3rd pivot and the 68 activity pivot joints of described forward foot in a step pipe close, and an end of described the second elastic element 67 is fixedly connected with described lock pin block piece 60; Top, stage casing at described lock pin 65 arranges the boss stop part, arranges respectively first in the both sides of described boss stop part and dodges groove and second and dodge groove; Wherein, described second dodge groove and dodge groove near described the first elastic component 66 with respect to described first; The upper end of described lock pin 65 is curve slope, and setting and described first stop that position matches second stop position; Wherein, in the vehicle frame expansion process, described first stops that position contacts the curve slope of described lock pin 65 upper ends, compresses described the first elastic component 66; Stop that described first position is after the curve slope of described lock pin 65 upper ends, described the first upper end that stops the described lock pin block piece 60 of position jack-up, the elastic force that described lock pin block piece 60 overcomes described the second elastic element 67 rotates around described the 3rd pivot, and the lower end of described lock pin block piece 60 is close to described lock pin 65; When vehicle frame launches fully, under the elastic force effect of described the first elastic component 66, described lock pin 65 is protruding, by described first, stops that the upper end and described second that position is stuck in described lock pin block piece 60 stops between position, and the lower end of described lock pin block piece 60 is arranged in described second and dodges groove; When folding described vehicle frame, pull described traction piece 69, compress described the first elastic component 66, described lock pin 65 shrinks in described guide groove, after pulling and overcoming the friction drag of lower end of described boss stop part and described lock pin block piece 60, the lower end of described lock pin block piece 60 falls into described first and dodges groove, and described boss stop part is stopped by the lower end of described lock pin block piece 60, limit described lock pin 65 and stretch out, described upper joint 61 can be rotated; Wherein, rotate described upper joint 61, make described upper joint 61 discharge stopping the upper end of described lock pin block piece 60, described lock pin block piece 60 rotates around described the 3rd pivot under the effect of described the second elastic element 67 elastic force, make the lower end of described lock pin block piece 60 leave described boss stop part, described lock pin 65 is released, and under described the first elastic element 66 effects, ejects.
According to an embodiment of the present utility model, further, in the stage casing of described lock pin 65, offer slotted eye, the 4th pivot is fixedly connected with forward foot in a step pipe close 68 through described slotted eye, wherein, the length that the flexible stroke of described lock pin 65 is described slotted eye.
According to an embodiment of the present utility model, further, described vehicle frame also further comprises the seat supporting component; Described seat supporting component comprises: commutation seat bayonet socket 72, bayonet socket supporting seat 71 and bayonet socket support link 73; Described commutation seat bayonet socket 72 is articulated on described hypozygal 63 by the Wushu axle with described bayonet socket supporting seat 71, and described bayonet socket supporting seat 71 is arranged between described commutation seat bayonet socket 72 and described hypozygal 63; Described commutation seat bayonet socket 72 can both rotate around the Wushu axle with described bayonet socket supporting seat 71; The two ends of described bayonet socket support link 73 respectively with described bayonet socket supporting seat 71 and 3 pivot joints of described rear foot tube; Side at described commutation seat bayonet socket 72 arranges support zone 721, and described support zone 721 matches with the strong point 631 arranged on described front foot pipe 2; Under the state launched fully at described vehicle frame, the described strong point 631 supports described support zone 721, and described commutation seat bayonet socket 72 can not be rotated; The first knock hole 711 and the second knock hole 712 are set on described bayonet socket supporting seat 71, and the card base at commutation seat is provided with the registration mast 74 matched with described the first knock hole 711 and the second knock hole 712; Wherein, the second knock hole 712 is the sealing knock hole, and described the first knock hole 711 is the open open bore of sidewall, and described open bore and described commutation seat bayonet socket 72 are in conjunction with the knock hole that forms a sealing; At described commutation seat, to described rear foot tube 3 directions insertion commutation seat bayonet sockets 72, described registration mast 74, snap under the state of the second knock hole 712, when folding vehicle frame, described rear foot tube 3 drives bayonet socket supporting seat 71 by bayonet socket support link 73 and rotates around the pivoting point with described hypozygal 63, the described registration mast 74 of described the second knock hole 712 locking, make the card base at described commutation seat turn to rear foot tube 3 directions with described bayonet socket supporting seat 71.At described commutation seat to described front foot pipe 2 directions insert described commutation seat bayonet socket 72, described registration mast 74 snaps under the state of described the first knock hole 711; While folding vehicle frame, described rear foot tube 3 is close to described front foot pipe 2, rear foot tube 3 drives described bayonet socket supporting seat 71 by described bayonet socket support link 73 and rotates around the pivoting point with described hypozygal 63, making described bayonet socket supporting seat 71 drive described commutation seat bayonet socket 72 rotates to rear foot tube 3 directions, make the support portion 721 of the strong point 631 of described front foot pipe 2 away from described commutation seat bayonet socket 72, make described commutation seat bayonet socket 72 and described commutation seat survive moving state.
According to an embodiment of the present utility model, further, the material of described upper joint 61, described posterior joint 62, described hypozygal 63 and described joint link lever 64 is high strength plastic part, steel or aluminum alloy.Described joint link lever 64 can be also the flexible steel wire bracing wire.
According to an embodiment of the present utility model, further, the material of described handle pipe, front foot pipe, described rear foot tube is all steel or aluminum alloy; Wherein, described handle pipe, front foot pipe, the described rear foot tube pipe that all is formed in one.
Children trolley of the present utility model, overcome existing handle pipe and overturn forward and fold the defect of the tong that vehicle frame exists, and allows the customer all avoid tong in actuating the vehicle frame process and cut the hand injury.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that the children trolley that in prior art, handle pipe folds to the front foot pipe upset exists tong and cuts the schematic diagram of hand risk;
Fig. 2 is the vehicle frame front view according to an embodiment of children trolley of the present utility model;
Fig. 3 is the folding/unfolding joint assembly exploded view according to an embodiment of children trolley of the present utility model;
The handle pipe forward direction upset that Fig. 4 is the embodiment according to children trolley of the present utility model folds vehicle frame process lateral plan;
The handle pipe forward direction upset that Fig. 5 is the embodiment according to children trolley of the present utility model folds vehicle frame closed side view;
Upper joint perk lock pin block piece and the generalized section that stopped by lock pin when Fig. 6 launches for the vehicle frame according to an embodiment of children trolley of the present utility model;
The traction piece release lock pin that pulls that Fig. 7 is the embodiment according to children trolley of the present utility model stops the upper joint generalized section;
Fig. 8 discharges the lock pin block piece according to the handle pipe forward direction upset upper joint of an embodiment of children trolley of the present utility model, and the lock pin block piece discharges the generalized section of lock pin;
Fig. 9 is the seat supporting component exploded view according to an embodiment of children trolley of the present utility model;
Figure 10 is the seat supporting component section-drawing according to an embodiment of children trolley of the present utility model;
The seat supporting component that Figure 11 is the embodiment according to children trolley of the present utility model front foot pipe strong point when vehicle frame launches fully supports commutation seat bayonet socket schematic diagram;
Figure 12, Figure 13, Figure 14 drive rear foot tube to drive the process schematic diagram that the bayonet socket supporting seat rotates release commutation seat bayonet socket according to the handle pipe forward direction upset of an embodiment of children trolley of the present utility model;
The commutation seat card base that Figure 15 is the embodiment according to children trolley of the present utility model is inserted to commutation seat bayonet socket schematic diagram to the front foot pipe direction;
Figure 16 is that after according to the commutation seat of an embodiment of children trolley of the present utility model, pin pipe direction card base inserts commutation seat bayonet socket forward, the card base registration mast inserts open knock hole schematic diagram;
Figure 17 is after inserting commutation seat bayonet socket according to the commutation seat card base of an embodiment of children trolley of the present utility model to the front foot pipe direction, the card base registration mast inserts and opens the knock hole schematic diagram;
The commutation seat that Figure 18 is the embodiment according to children trolley of the present utility model pin pipe direction card base is backward inserted to commutation seat bayonet socket schematic diagram;
Figure 19 be according to an embodiment of children trolley of the present utility model for the commutation seat after pin pipe direction card base inserts commutation seat bayonet socket backward the card base registration mast insert sealing knock hole schematic diagram;
Figure 20 be according to the commutation seat of an embodiment of children trolley of the present utility model forward pin pipe direction insert commutation seat bayonet socket, fold the schematic diagram of vehicle frame.
Figure 21 is the partial cutaway schematic according to the lock pin of an embodiment of children trolley of the present utility model, elastic element, lock pin block piece, forward foot in a step pipe close, traction piece.
Wherein, in Fig. 1: 101-pivoting point, the dangerous gap of 102-, 103-front foot pipe, 104-handle pipe, 105-folding/unfolding joint, 106-pivoting point, 107-rear foot tube, 108-connecting rod.
The specific embodiment
With reference to the accompanying drawings the utility model is described more fully, exemplary embodiment of the present utility model wherein is described.Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.Below in conjunction with figure and embodiment, the technical solution of the utility model is carried out to many-sided description.
As shown in Figure 2, children trolley comprises: have launch and the rear wheels 5 of the front wheels 4 of the vehicle frame of folding two states, the front bottom of vehicle frame that is arranged at, the vehicle frame rear lower that is arranged at and will the frame locking mechanism of bicycle frame lock under expanded position.Front wheels 4, rear wheels 5 and frame locking mechanism are all to exist in pairs and are to be symmetrical arranged.
As shown in Fig. 3,4,5, vehicle frame comprises: handle pipe 1, front foot pipe 2, rear foot tube 3 and joint assembly 6.Joint assembly 6 comprises: upper joint 61, posterior joint 62, hypozygal 63 and joint link lever 64.
The first pivot is through Wushu contact E and the first pivoting point A, by hypozygal 63 and upper joint 61 pivot joints.The second pivot is through the 6th pivoting point F and the 4th pivoting point D, by hypozygal 63 and posterior joint 62 pivot joints.The two ends of joint link lever 64 are articulated in respectively the second pivoting point B and pivot joint the 3rd pivoting point C.Pivot joint refers to pivoted hole is set respectively, by pivot, parts connected pivotly.
In the process that folds, opens vehicle frame, handle pipe 1 drives upper joint 61 and rotates around the first pivot, and joint link lever 64 drives posterior joints 62 and rear foot tube 3 rotates around the second pivot, makes rear foot tube 3 close or away from front foot pipe 2.
Wherein, when to front foot pipe 2 directions rotation handle pipe 1, folding vehicle frame, the upper joint 61 be fixedly connected with handle pipe 1 rotates around the A of upper joint pivoting point, rotates around the D of posterior joint 62 pivoting point by joint link lever 64 drive posterior joints 62 and rear foot tube 3 simultaneously, and makes rear foot tube 3 near front foot pipe 2.While opening the vehicle frame process, the drive connection between the folding/unfolding joint assembly is just in time contrary when folding vehicle frame, vehicle frame actuate process all can realize without dangerous tong with gap interlock fold.
According to an embodiment of the present utility model, distance between the C pivoting point of hypozygal 62 and D pivoting point is larger, after the E pivoting point activity pivot joint of the A of upper joint 61 pivoting point and hypozygal 63, after the C pivoting point activity pivot joint of the B of upper joint 61 pivoting point and posterior joint 62, after the D pivoting point activity pivot joint of the F of hypozygal 63 pivoting point and posterior joint 62, make the distance between upper joint 61 and posterior joint 62 be greater than the safety gap threshold value that the children trolley safety rate is stipulated.
The safety gap threshold value of children trolley safety rate regulation of the present utility model, refer to the dangerous tong gap according to the children trolley safety rate regulation of GB or international standard formulation.
The B pivoting point that connects upper joint 61 is sides of being close to hypozygal 63 and upper joint 61 with the joint link lever 64 of the C pivoting point of posterior joint 62, and between hypozygal 63 and upper joint 61 and posterior joint 62 threes, corresponding face is circular arc.
The edge that hypozygal 63, upper joint 61 and posterior joint 62 all have circular arc, in the dynamic interlock of vehicle frame actuates process, fully not dangerous tong gap between the folding/unfolding joint assembly.
According to an embodiment of the present utility model, the folding/unfolding joint assembly is the left-right symmetric design, the hypozygal 63 of one-sided folding/unfolding joint assembly and joint link lever 64 are symmetrical use the, the sheet metal component that the material of folding/unfolding joint assembly is high strength plastic part or steel or aluminum alloy.
According to an embodiment of the present utility model, between front foot pipe 2 and rear foot tube 3, do not have connecting rod to be connected, avoided the process that actuates to have the possibility of cutting hand and tong.
According to an embodiment of the present utility model, the bottom of upper joint 61 is circular arc, and, in the bottom of upper joint 61, the arc stop member being set, the width of arc stop member is greater than the width of hypozygal 63 radiused edges.Wherein, in the process of rotating towards rear foot tube 3 around the first pivot at upper joint 61, radiused edges surface and the arc stop member Surface Contact of hypozygal 63, make handle pipe 1 be limited in the position of setting.
The principle of work of children trolley of the present utility model is: while to front foot pipe direction rotation handle pipe, folding vehicle frame, the upper joint be fixedly connected with handle pipe rotates around the A of upper joint pivoting point, drive posterior joint by joint link lever and rear foot tube rotates around the D of posterior joint pivoting point simultaneously, and make rear foot tube near front foot pipe, open the process of vehicle frame, drive connection between the folding/unfolding joint assembly is just in time contrary when folding vehicle frame, and vehicle frame actuates process and all can realize folding without dangerous tong gap interlock.
The joint link lever that connects upper joint 2 pivoting points and posterior joint 1 pivoting point is close to hypozygal and upper joint side, and face corresponding between hypozygal and upper joint and posterior joint three is circular arc, so upper joint and hypozygal and posterior joint fully not dangerous tong gap in the dynamic interlock of vehicle frame actuates process.Between front foot pipe and rear foot tube, no longer need connecting rod to be connected, avoided the process that actuates to have the possibility of cutting hand and tong.
As shown in Fig. 6,7,8,21, described frame locking mechanism comprises: lock pin 65, the first elastic element 66, the second elastic element 67, forward foot in a step pipe close 68, traction piece 69, release pedal 70 and lock pin block piece 60.
Forward foot in a step pipe close 68 is arranged in front foot pipe 2, and is oppositely arranged with the lower end of upper joint 61; The top of forward foot in a step pipe close 68 arranges guide groove, and lock pin 65 is arranged in guide groove, between guide groove bottom and lock pin 65, the first elastic element 66 is set.
The lower end of lock pin 65 is fixedly connected with an end of traction piece 69, and the other end of traction piece 69 passes through hole and the rear foot tube 3 that is arranged on the guide groove bottom, and is fixedly connected with release pedal 70, and release pedal 70 is articulated on rear foot tube 3.
Upper end at forward foot in a step pipe close 68 arranges notch, installing lock pin block piece 60 in notch.The lower end of the upper end of lock pin block piece 60 and upper joint 61 is oppositely arranged, and arranges outstanding first in the lower end of upper joint 61 and stops position.
The stage casing of lock pin block piece 60 and the second elastic element 67 are by the 3rd pivot and the 68 activity pivot joints of forward foot in a step pipe close, and an end of the second elastic element 67 is fixedly connected with lock pin block piece 60.
Top, stage casing at described lock pin 65 arranges the boss stop part, arranges respectively first in the both sides of described boss stop part and dodges groove and second and dodge groove; Wherein, described second dodge groove and dodge groove near described the first elastic component 66 with respect to described first;
The upper end of lock pin 65 is curve slope, and arrange and first stop that position matches second stop position.
In the vehicle frame expansion process, first stops the curve slope of contact lock pin 65 upper ends, position, compresses the first elastic component 66.Stop that first position is after the curve slope of lock pin 65 upper ends, first stops the upper end of position jack-up lock pin block piece 60, and the elastic force that lock pin block piece 60 overcomes the second elastic element 67 rotates around the 3rd pivot, and the lower end of lock pin block piece 60 is close to lock pin 65.
When vehicle frame launches fully, under the elastic force effect of the first elastic component 66, lock pin 65 is protruding, just in time drop under the snap-latch surface of upper joint 61 lower ends, stop that by first the upper end and second that position is stuck in lock pin block piece 60 stops between position, the lower end of lock pin block piece 60 falls into second of described lock pin 65 and dodges groove, described lock pin 65 stops that upper joint 61 can not upwards rotate around the pivoting point with hypozygal 63 it, be that upper joint 61 upwards rotates and limited by the snap-latch surface of lock pin 65, simultaneously upper joint 61 rotates and is stopped by the wide arc stop part gone out, vehicle frame is locked.
When folding vehicle frame, pull traction piece 69, compress the first elastic component 66, lock pin 65 shrinks in guide groove, after pulling and overcoming the friction drag of lower end of the boss stop part of described lock pin 65 and described lock pin block piece 60, the lower end of described lock pin block piece 60 falls into first of described lock pin 65 boss stop part one sides and dodges groove, and restriction lock pin 65 stretches out, described the second stop part and described the first stop part break away from simultaneously, described upper joint 61 is become and be not subject to the rotatable state stopped.But, owing to not rotating described upper joint 61, the upper end of described lock pin block piece 60 is still withstood in the lower end of described upper joint 61, make the lower end of described lock pin block piece 60 continue to stop the boss stop part of described lock pin 65; Wherein, rotate described upper joint 61, make described upper joint 61 discharge stopping the upper end of described lock pin block piece 60, described lock pin block piece 60 rotates around described the 3rd pivot under the effect of described the second elastic element 67 elastic force, make the lower end of described lock pin block piece 60 leave described boss stop part, described lock pin 65 is released, and under described the first elastic element 66 effects, ejects, and gets back to desired location.The second elastic element 67 can be torsion spring or flexure strip.
According to an embodiment of the present utility model, offer slotted eye in the middle of the stage casing of lock pin 65, the 4th pivot is fixedly connected with forward foot in a step pipe close 68 through slotted eye, wherein, the length that the flexible stroke of lock pin 65 is slotted eye.
As shown in Fig. 9-20, the seat supporting component comprises: commutation seat bayonet socket 72, bayonet socket supporting seat 71 and bayonet socket support link 73.Commutation seat bayonet socket 72 is articulated on hypozygal 63 by the 3rd pivot with bayonet socket supporting seat 71, and bayonet socket supporting seat 71 is arranged between commutation seat bayonet socket 72 and hypozygal 63.Commutation seat bayonet socket 72 can both rotate around the 3rd pivot with bayonet socket supporting seat 71.
The two ends of bayonet socket support link 73 respectively with bayonet socket supporting seat 71 and rear foot tube 3 pivot joints.Side at commutation seat bayonet socket 72 arranges support zone 721, and support zone 721 matches with the strong point 631 arranged on front foot pipe 2.
Under the state launched fully at vehicle frame, the strong point 631 supported positions 721, the seat bayonet socket 72 that makes to commutate can not rotate.The first knock hole 711 and the second knock hole 712 are set on bayonet socket supporting seat 71, and the card base at commutation seat is provided with the registration mast 74 matched with the first knock hole 711 and the second knock hole 712.
Wherein, the second knock hole 712 is the sealing knock hole, and the first knock hole 711 is the open open bore of sidewall, and open bore and commutation seat bayonet socket 72 are in conjunction with the knock hole that forms a sealing.
At the commutation seat, pin pipe direction is inserted commutation seat bayonet socket 72 backward, registration mast 74 snaps under the state of the second knock hole 712, when folding vehicle frame, rear foot tube 3 drives bayonet socket supporting seat 71 by bayonet socket support link 73 and rotates around the pivoting point with hypozygal 63, the second knock hole 712 lock in place posts 74, the card base at the seat that makes to commutate turns to rear foot tube 3 directions with bayonet socket supporting seat 71.
At the commutation seat, pin pipe direction is inserted commutation seat bayonet socket 72 forward, registration mast 74 snaps under the state of the first knock hole 711.While folding vehicle frame, rear foot tube 3 is close to front foot pipe 2, rear foot tube 3 drives bayonet socket supporting seat 71 by bayonet socket support link 73 and rotates around the pivoting point with hypozygal 63, making bayonet socket supporting seat 71 drive commutation seat bayonet socket 72 rotates to rear foot tube 3 directions, make the support portion 721 of the strong point 631 of front foot pipe 2 away from commutation seat bayonet socket 72, because the first knock hole 711 is the open open bore of sidewall, and, commutation seat bayonet socket 72 rotates, the seat bayonet socket 72 that makes to commutate survives moving state with the commutation seat, and the commutation seat is automatic near front foot pipe by own wt.
As shown in figure 17, the commutation seat forward pin pipe direction insert commutation seat bayonet socket, after fold vehicle frame, the bayonet socket support link drives the bayonet socket supporting seat to rotate, the seat bayonet socket that makes to commutate presents active state away from the front foot pipe strong point, after turning over before the backrest at commutation seat, the center of gravity reach at commutation seat, rotate forward movable commutation seat bayonet socket.
As shown in the figure, the commutation seat forward pin pipe direction insert commutation seat bayonet socket, after fold vehicle frame, the bayonet socket support link drives the bayonet socket supporting seat to rotate, because the knock hole of bayonet socket supporting seat drives the registration mast of commutation seat card base, the seat bayonet socket that makes to commutate turns to rear foot tube with commutation seat supporting seat, after the backrest at commutation seat turnover close after near rear foot tube.
According to an embodiment of the present utility model, the material of handle pipe, front foot pipe, rear foot tube is all steel or aluminum alloy.Wherein, handle pipe, front foot pipe, rear foot tube are all by an one-body molded pipe bending and molding.
" first " in the utility model, " second " etc. only, for the difference on describing, do not have special implication.
" ”,“ lower end, upper end " in the utility model, 'fornt', 'back' etc. are that the orientation corresponding to Figure of description is described.
Children trolley of the present utility model has overcome the defect of tong, allows the customer all can not be subject to tong in actuating the vehicle frame process and cuts the hand injury.
Description of the present utility model provides for example with for the purpose of describing, and is not exhaustively or by the utility model to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment with various modifications that the utility model design is suitable for special-purpose.
Claims (9)
1. a children trolley, is characterized in that, comprising:
Have launch and the vehicle frame of folding two states, be arranged at the front bottom of described vehicle frame front wheels (4), be arranged at the rear wheels (5) of described vehicle frame rear lower and the frame locking mechanism due to expanded position by described bicycle frame lock;
Described vehicle frame comprises: handle pipe (1), front foot pipe (2), rear foot tube (3) and joint assembly (6); Described joint assembly (6) comprising: upper joint (61), posterior joint (62), hypozygal (63) and joint link lever (64); Described upper joint (61) upper end is fixedly connected with described handle pipe (1), and the first pivoting point (A) and the second pivoting point (B) are set on described upper joint (61); Described posterior joint (62) lower end is fixedly connected with described rear foot tube (3), and the 3rd pivoting point (C) and the 4th pivoting point (D) are set on described posterior joint (62); Described hypozygal (63) is fixedly connected with described front foot pipe (2), and Wushu contact (E) and the 6th pivoting point (F) are set on described hypozygal (63);
The first pivot is through described Wushu contact (E) and described the first pivoting point (A), by described hypozygal (63) and described upper joint (61) pivot joint; The second pivot is through described the 6th pivoting point (F) and described the 4th pivoting point (D), by described hypozygal (63) and described posterior joint (62) pivot joint; The two ends of described joint link lever (64) are articulated in respectively described the second pivoting point (B) and pivot joint the 3rd pivoting point (C);
Wherein, in folding or opening the process of described vehicle frame, described handle pipe (1) drives described upper joint (61) and rotates around described the first pivot, described joint link lever (64) drives described posterior joint (62) and described rear foot tube (3) and rotates around described the second pivot, make described rear foot tube (3) near or away from described front foot pipe (2).
2. children trolley as claimed in claim 1 is characterized in that:
At the first pivot, through the two ends of described Wushu contact (E) and described the first pivoting point (A), described joint link lever (64), be articulated in respectively under described the second pivoting point (B) and pivot joint the 3rd pivoting point (C), the state of the second pivot through described the 6th pivoting point (F) and described the 4th pivoting point (D), the spacing between described upper joint (61) and described posterior joint (62) is greater than the safety gap threshold value that the children trolley safety rate is stipulated.
3. children trolley as claimed in claim 2 is characterized in that:
Described joint link lever (64) is arranged between described hypozygal (63) and described upper joint (61), and with described hypozygal (63), with described upper joint (61), contacts respectively;
Wherein, the edge that described hypozygal (63), described upper joint (61) and described posterior joint (62) all have circular arc.
4. children trolley as claimed in claim 3 is characterized in that:
The bottom of described upper joint (61) is circular arc, and, in the bottom of described upper joint (61), the arc stop member being set, the width of described arc stop member is greater than the width of described hypozygal (63) radiused edges;
Wherein, in the process of rotating towards described rear foot tube (3) around described the first pivot at described upper joint (61), radiused edges surface and the described arc stop member Surface Contact of described hypozygal (63), make described handle pipe (1) be limited in the position of setting.
5. children trolley as claimed in claim 1 is characterized in that:
Described frame locking mechanism comprises: lock pin (65), the first elastic element (66), the second elastic element (67), forward foot in a step pipe close (68), traction piece (69), release pedal (70) and lock pin block piece (60);
Described forward foot in a step pipe close (68) is arranged in described front foot pipe (2), and is oppositely arranged with the lower end of described upper joint (61); The top of described forward foot in a step pipe close (68) arranges guide groove, and described lock pin (65) is arranged in described guide groove, between described guide groove bottom and described lock pin (65), described the first elastic element (66) is set; The lower end of described lock pin (65) is fixedly connected with an end of described traction piece (69), the other end of described traction piece (69) is through the through hole and the described rear foot tube (3) that are arranged on described guide groove bottom, and be fixedly connected with described release pedal (70), described release pedal (70) is articulated on described rear foot tube (3);
Upper end at described forward foot in a step pipe close (68) arranges notch, installing described lock pin block piece (60) in described notch; The lower end of the upper end of described lock pin block piece (60) and described upper joint (61) is oppositely arranged, and arranges outstanding first in the lower end of described upper joint (61) and stops position;
The stage casing of described lock pin block piece (60) and described the second elastic element (67) are by the 3rd pivot and described forward foot in a step pipe close (68) activity pivot joint, and an end of described the second elastic element (67) is fixedly connected with described lock pin block piece (60);
Top, stage casing at described lock pin (65) arranges the boss stop part, arranges respectively first in the both sides of described boss stop part and dodges groove and second and dodge groove; Wherein, described second dodge groove and dodge groove near described the first elastic component (66) with respect to described first; The upper end of described lock pin (65) is curve slope, and setting and described first stop that position matches second stop position;
Wherein, in the vehicle frame expansion process, described first stops that position contacts the curve slope of described lock pin (65) upper end, compresses described the first elastic component (66); Stop that described first position is after the curve slope of described lock pin (65) upper end, described first stops the upper end of the described lock pin block piece of position jack-up (60), the elastic force that described lock pin block piece (60) overcomes described the second elastic element (67) rotates around described the 3rd pivot, and the lower end of described lock pin block piece (60) is close to described lock pin (65) lower end; When vehicle frame launches fully, under the elastic force effect of described the first elastic component (66), described lock pin (65) is protruding, stop that by described first the upper end and described second that position is stuck in described lock pin block piece (60) stops between position, the lower end of described lock pin block piece (60) is arranged in described second and dodges groove;
When folding described vehicle frame, pull described traction piece (69), compress described the first elastic component (66), described lock pin (65) shrinks in described guide groove, after pulling and overcoming the lower end friction drag of described lock pin (65) boss stop part and described lock pin block piece (60), the lower end of described lock pin block piece (60) falls into described first and dodges groove, described boss stop part is stopped by the lower end of described lock pin block piece (60), limit described lock pin (65) and stretch out, described upper joint (61) can be rotated;
Wherein, rotate described upper joint (61), release stops described lock pin block piece (60), described lock pin block piece (60) rotates around described the 3rd pivot under the effect of described the second elastic element (67) elastic force, make the lower end of described lock pin block piece (60) leave described boss stop part, described lock pin (65) is released, and under described the first elastic element (66) effect, ejects.
6. children trolley as claimed in claim 5 is characterized in that:
Slotted eye is offered in stage casing at described lock pin (65), and the 4th pivot is fixedly connected with forward foot in a step pipe close (68) through described slotted eye, wherein, and the length that the flexible stroke of described lock pin (65) is described slotted eye.
7. children trolley as claimed in claim 1 is characterized in that:
Described vehicle frame also further comprises the seat supporting component; Described seat supporting component comprises: commutation seat bayonet socket (72), bayonet socket supporting seat (71) and bayonet socket support link (73);
Described commutation seat bayonet socket (72) is articulated in described hypozygal (63) above with described bayonet socket supporting seat (71) by the Wushu axle, and described bayonet socket supporting seat (71) is arranged between described commutation seat bayonet socket (72) and described hypozygal (63); Described commutation seat bayonet socket (72) can both rotate around described Wushu axle with described bayonet socket supporting seat (71); The two ends of described bayonet socket support link (73) respectively with described bayonet socket supporting seat (71) and described rear foot tube (3) pivot joint;
In the side of described commutation seat bayonet socket (72), support zone (721) is set, described support zone (721) matches with the strong point (631) in the upper setting of described front foot pipe (2); Wherein, under the state launched fully at described vehicle frame, the described strong point (631) supports described support zone (721), and described commutation seat bayonet socket (72) can not be rotated;
The first knock hole (711) and the second knock hole (712) are set on described bayonet socket supporting seat (71), and the card base at commutation seat is provided with the registration mast (74) matched with described the first knock hole (711) and the second knock hole (712); Wherein, the second knock hole (712) is the sealing knock hole, and described the first knock hole (711) is the open open bore of sidewall, and described open bore and described commutation seat bayonet socket (72) are in conjunction with the knock hole that forms a sealing;
Insert commutation seat bayonet socket (72) and described registration mast (74) snaps under the state of the second knock hole (712) at described commutation seat, when folding vehicle frame, described rear foot tube (3) drives described bayonet socket supporting seat (71) by bayonet socket support link (73) and rotates around the pivoting point with described hypozygal (63), described the second knock hole (712) locks described registration mast (74), makes the card base at described commutation seat turn to rear foot tube (3) direction with described bayonet socket supporting seat (71);
Insert described commutation seat bayonet socket (72) at described commutation seat, described registration mast (74) snaps under the state of described the first knock hole (711), while folding vehicle frame, described rear foot tube (3) is close to described front foot pipe (2), described rear foot tube (3) drives described bayonet socket supporting seat (71) by described bayonet socket support link (73) and rotates around the pivoting point with described hypozygal (63), making described bayonet socket supporting seat (71) drive described commutation seat bayonet socket (72) rotates to rear foot tube (3) direction, make the support portion (721) of the strong point (631) of described front foot pipe (2) away from described commutation seat bayonet socket (72), make described commutation seat bayonet socket (72) and described commutation seat survive moving state, described commutation seat is by the automatically close described front foot pipe (2) of own wt.
8. children trolley as claimed in claim 2 is characterized in that:
The material of described upper joint (61), described posterior joint (62), described hypozygal (63) and described joint link lever (64) is high strength plastic part, steel or aluminum alloy.
9. children trolley as claimed in claim 1 is characterized in that:
The material of described handle pipe, front foot pipe, described rear foot tube is all steel or aluminum alloy;
Wherein, described handle pipe, front foot pipe, the described rear foot tube pipe that all is formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203567768U CN203318472U (en) | 2013-06-20 | 2013-06-20 | Stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203567768U CN203318472U (en) | 2013-06-20 | 2013-06-20 | Stroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203318472U true CN203318472U (en) | 2013-12-04 |
Family
ID=49657845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203567768U Withdrawn - After Issue CN203318472U (en) | 2013-06-20 | 2013-06-20 | Stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203318472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014201926A1 (en) * | 2013-06-20 | 2014-12-24 | 珠海优力创工贸有限公司 | Stroller |
-
2013
- 2013-06-20 CN CN2013203567768U patent/CN203318472U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014201926A1 (en) * | 2013-06-20 | 2014-12-24 | 珠海优力创工贸有限公司 | Stroller |
| CN104228919A (en) * | 2013-06-20 | 2014-12-24 | 珠海优力创工贸有限公司 | Baby stroller |
| CN104228919B (en) * | 2013-06-20 | 2016-08-24 | 珠海阳光儿童用品有限公司 | A kind of children trolley |
| US9701333B2 (en) | 2013-06-20 | 2017-07-11 | Unitron Enterprises Zhuhai Co., Ltd. | Stroller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160427 Address after: The 519090 Bay area Guangdong city of Zhuhai province red Hong Kong Industrial Zone area Yongan Road No. 11 Patentee after: Sunnylove Baby Products Zhuhai Co., Ltd. Address before: 519015 Guangdong province Zhuhai City Jiuzhou Road East Building B3-5 Patentee before: Unitron Enterprises Zhuhai Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20160824 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |